package shujia.day20;

//class Super {
//    public float getNum() {
//        return 3.0f;
//    }
//}
//
//class Sub extends Super {
//    public void getNum(){}
//}

public class Test1{
    public static void main(String[] args) {
        String s= "\"\"";
        System.out.println(s);
    }
}